Technical Data Universal Visible-blade Disconnect Switches Specifications Bulletin Numbers 1494U, 1494V This document provides selection and specification information for the Bulletin 1494U and Bulletin 1494V universal visible-blade disconnect switches. Universal visible-blade disconnect switches can be user- or factory-assembled. These disconnect switches provide visual indication of the ON or OFF status of the knife-blade disconnect design. You can choose from fusible or non-fusible versions. These disconnect switches also allow for either rod or cable operation. Topic Page Components Product Selection 2 Accessories Product Selection 4 Replacement Parts Product Selection 5 Kits Product Selection 5 Specifications 6 Approximate Dimensions 7
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This document provides selection and specification information for the Bulletin 1494U and Bulletin 1494V universal visible-blade disconnect switches. Universal visible-blade disconnect switches can be user- or factory-assembled. These disconnect switches provide visual indication of the ON or OFF status of the knife-blade disconnect design. You can choose from fusible or non-fusible versions. These disconnect switches also allow for either rod or cable operation.
(1) Ratings are based on two poles in series to break one line of the DC supply voltage and the remaining pole to break the second DC supply line.
(2) Aluminum lugs are installed on the line side of each disconnect switch. Additional aluminum lugs are included with each disconnect switch that are to be field-installed on the load side of the switch or on the fuse block.
Disconnect Switch Size [A]
Enclosure Working Depth [in. (mm)] (1)
(1) Enclosure depth is measured from the top of the flange to the disconnect switch mounting surface.
Cat. No.Minimum Maximum
30, 60, 100 6-3/4 (172) 19 (483) 1494U-R1
2006-3/4 (172) 9-1/8 (232) 1494V-RA3
9-1/8 (232) 21-5/8 (585) 1494V-RA4
400, 6009-1/2 (241) 10 (254) 1494V-RB3(2)
(2) Kit includes two connecting rods.
9-1/2 (241) 23 (584) 1494V-RB4(2)
Handle Type Description Mounting Disconnect
Switch Size [A]Cat. No.
Type 1, 3R, 4, 4X, 12 Nonmetallic
Right or Left Flange
30, 60, 100
1494U-HP1
Type 1, 3R, 4, 12 Painted Metal 1494U-HM1
Type 4, 4X Stainless Steel 1494U-HS1
Type 1, 3R, 4, 4X, 12 Nonmetallic 200 1494F-P1
Type 1, 3R, 4, 12 Painted Metal200 1494F-M1
400, 600 1494F-M2
Type 4, 4X Stainless Steel200 1494F-S1
400, 600 1494F-S2
2 Rockwell Automation Publication 1494U-TD001A-EN-P - September 2018
4001 N.O. and 1 N.C., early break, right-hand mechanism
1495-N43
600 1495-N34(1)
(1) Additional adapter kit Cat. No. 1495-N36 is required for installation.
200 2 N.O. and 2 N.C., early break, standard contact 1494U-AE200
4002 N.O. and 2 N.C., early break, right-hand mechanism
1495-N44
600 1495-N35(1)
Disconnect Switch Size [A] Fuse Class Fuse Cover Cat. No.
30, 60, 100 Non-fusible
1494U-PC1
30 H, J
30 R
30 H, J
60 H, J
100 H, J
1494U-PC230 R
60 R
100 R
200 H, J, R 1494U-PC200
400 H, J, R 1494U-PC400
600 Non-fusible1495-N61
600 J
600 H, J, R 1495-N69
Disconnect Switch Size [A]
Description Cat. No.
30…100
Line Terminal Adapter (2 per package) -Terminals are connected to L1 and L2 to provide power even when the switch is de-energized.Wire Size: #14…8 AWG, copper
1494U-ALT31
Cross Bar Adapter -The adapter attaches to the 1494U switch so that it can retrofit in existing 1494V and 1494C switch installations.
1494U-AC
200 Line Terminal Adapter (2 per package) 1494U-ALT200
400 Line Terminal Adapter (2 per package) 1494R-N19
600 Line Terminal Adapter (2 per package) 1494U-ALT600
Universal Disconnect Switch and Fuse Block, 30…60 AApproximate dimensions are shown in inches. Dimensions are not intended to be used for manufacturing purposes.
3.56 3.63
.51.50
1.811.816.81
4.88MTG.
HOLES
4.91
1.81MTG. HOLES
.2032 MTG. HOLES(FOR 10-32SCREWS)
Ø
3.311.00 DURINGHANDLE ROTATION
1.06
6.02
8.58
.203MTG. HOLES
.29MTG HOLES
.49
LINE AND LOADTERM. THREAD#12-24 UNC
1.81
1.81 1.81
.91
2.332.05
5.20
3.00
1.75
.37
.2032 MTG. HOLES(FOR 10-32SCREWS)
FIELD INSTALLED PHASE BARRIERS(CAN BE ORDERED SEPERATELY)
Ø
Rockwell Automation Publication 1494U-TD001A-EN-P - September 2018 7
These documents contain additional information concerning related products from Rockwell Automation.
You can view or download publications at http://www.rockwellautomation.com/global/literature-library/overview.page. To order paper copies of technical documentation, contact your local Allen-Bradley distributor or Rockwell Automation sales representative.
Resource Description
Installing Your Main Disconnect Handle Just Became Easy, publication 1494U-AT001A-EN-P Provides information for disconnect handle installation.
Industrial Automation Wiring and Grounding Guidelines, publication 1770-4.1 Provides general guidelines for installing a Rockwell Automation industrial system.
Product Certifications website, http://www.rockwellautomation.com/global/certification/overview.page Provides declarations of conformity, certificates, and other certification details.
Rockwell Automation Publication 1494U-TD001A-EN-P - September 2018 13
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Publication 1494U-TD001A-EN-P - September 2018
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